Gems &Gem Materials.(1953).
Kraus.E.H.
Gems &Gem Materials.(1953). - 5th Ed. - Tata McGraw-Hill Publishing Company Limited 1960 - 332p. 23 cm.
Text in English
CIVI
H-02
23G-145 / KRA
Gems &Gem Materials.(1953). - 5th Ed. - Tata McGraw-Hill Publishing Company Limited 1960 - 332p. 23 cm.
Text in English
CIVI
H-02
23G-145 / KRA